21212323376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{9283}}^1$

素因数の和:9610

約数の個数: 80

約数和(自身を含む): 45090828288

約数和(自身を除く): 23878504912

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 271, 272, 496, 527, 542, 1054, 1084, 2108, 2168, 4216, 4336, 4607, 8401, 8432, 9214, 9283, 16802, 18428, 18566, 33604, 36856, 37132, 67208, 73712, 74264, 134416, 142817, 148528, 157811, 285634, 287773, 315622, 571268, 575546, 631244, 1142536, 1151092, 1262488, 2285072, 2302184, 2515693, 2524976, 4604368, 4892141, 5031386, 9784282, 10062772, 19568564, 20125544, 39137128, 40251088, 42766781, 77986483, 78274256, 85533562, 155972966, 171067124, 311945932, 342134248, 623891864, 684268496, 1247783728, 1325770211, 2651540422, 5303080844, 10606161688, 21212323376]

約数ペア:

[(1, 21212323376), (2, 10606161688), (4, 5303080844), (8, 2651540422), (16, 1325770211), (17, 1247783728), (31, 684268496), (34, 623891864), (62, 342134248), (68, 311945932), (124, 171067124), (136, 155972966), (248, 85533562), (271, 78274256), (272, 77986483), (496, 42766781), (527, 40251088), (542, 39137128), (1054, 20125544), (1084, 19568564), (2108, 10062772), (2168, 9784282), (4216, 5031386), (4336, 4892141), (4607, 4604368), (8401, 2524976), (8432, 2515693), (9214, 2302184), (9283, 2285072), (16802, 1262488), (18428, 1151092), (18566, 1142536), (33604, 631244), (36856, 575546), (37132, 571268), (67208, 315622), (73712, 287773), (74264, 285634), (134416, 157811), (142817, 148528)]